Question

Answer choices:-the function is never increasing. -the function is sometimes increasing.Increasing interval:__-the function is always increasing.Increasing interval:__

Answer 1

Given:

The objective is to write the interval notataion of increasing, decreasing and constant intervals.

1)

In the given graph, the function is increasing sometimes.

The increasing interval can be written as,

$\text{Increasing interval =\lbrack{}1,}\infty)$

2)

In the given graph, the function is decreasing sometimes.

The decreasing interval can be written as,

$\text{Increasing interval =\lbrack{}1,}\infty)$